What to do when a W-2 or Form 1099 is missing or incorrect – Tax Preparation Tips for Taxpayers
https://www.irs.gov/newsroom/what-to-do-when-a-w-2-or-form-1099-is-missing-or-incorrect
https://www.irs.gov/newsroom/what-to-do-when-a-w-2-or-form-1099-is-missing-or-incorrect